1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
|
/*
(c) Copyright 2012-2013 DirectFB integrated media GmbH
(c) Copyright 2001-2013 The world wide DirectFB Open Source Community (directfb.org)
(c) Copyright 2000-2004 Convergence (integrated media) GmbH
All rights reserved.
Written by Denis Oliver Kropp <dok@directfb.org>,
Andreas Shimokawa <andi@directfb.org>,
Marek Pikarski <mass@directfb.org>,
Sven Neumann <neo@directfb.org>,
Ville Syrjälä <syrjala@sci.fi> and
Claudio Ciccani <klan@users.sf.net>.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <direct/debug.h>
#include <direct/hash.h>
#include <direct/result.h>
D_LOG_DOMAIN( Direct_Result, "Direct/Result", "Direct Result Types" );
/**********************************************************************************************************************/
static DirectHash result_types = DIRECT_HASH_INIT( 7, true );
static DirectMutex result_mutex;
void
__D_result_init()
{
direct_mutex_init( &result_mutex );
}
void
__D_result_deinit()
{
direct_mutex_deinit( &result_mutex );
}
/**********************************************************************************************************************/
DirectResult
DirectResultTypeRegister( DirectResultType *type )
{
DirectResult ret;
D_DEBUG_AT( Direct_Result, "%s( %p )\n", __FUNCTION__, type );
D_ASSERT( type != NULL );
D_DEBUG_AT( Direct_Result, " -> refs %d\n", type->refs );
D_DEBUG_AT( Direct_Result, " -> base 0x%08x\n", type->base );
D_DEBUG_AT( Direct_Result, " -> strings %p\n", type->result_strings );
D_DEBUG_AT( Direct_Result, " -> count %u\n", type->result_count );
D_ASSERT( type->result_count > 0 );
D_ASSERT( type->result_count <= D_RESULT_TYPE_SPACE );
D_DEBUG_AT( Direct_Result, " => %s\n", type->result_strings[0] );
ret = direct_mutex_lock( &result_mutex );
if (ret)
return ret;
if (direct_hash_lookup( &result_types, type->base )) {
D_ASSERT( direct_hash_lookup( &result_types, type->base ) == type );
D_MAGIC_ASSERT( type, DirectResultType );
D_ASSERT( type->refs > 0 );
type->refs++;
}
else {
D_ASSERT( type->refs == 0 );
D_MAGIC_SET( type, DirectResultType );
ret = direct_hash_insert( &result_types, type->base, (void*) type );
if (ret)
D_MAGIC_CLEAR( type );
else
type->refs = 1;
}
direct_mutex_unlock( &result_mutex );
return ret;
}
DirectResult
DirectResultTypeUnregister( DirectResultType *type )
{
DirectResult ret;
D_DEBUG_AT( Direct_Result, "%s( %p )\n", __FUNCTION__, type );
D_MAGIC_ASSERT( type, DirectResultType );
D_DEBUG_AT( Direct_Result, " -> refs %d\n", type->refs );
D_DEBUG_AT( Direct_Result, " -> base 0x%08x\n", type->base );
D_DEBUG_AT( Direct_Result, " -> strings %p\n", type->result_strings );
D_DEBUG_AT( Direct_Result, " -> count %u\n", type->result_count );
D_ASSERT( type->result_count > 0 );
D_ASSERT( type->result_count <= D_RESULT_TYPE_SPACE );
D_DEBUG_AT( Direct_Result, " => %s\n", type->result_strings[0] );
ret = direct_mutex_lock( &result_mutex );
if (ret)
return ret;
D_ASSERT( type->refs > 0 );
D_ASSERT( direct_hash_lookup( &result_types, type->base ) == type );
if (! --(type->refs)) {
D_MAGIC_CLEAR( type );
ret = direct_hash_remove( &result_types, type->base );
}
direct_mutex_unlock( &result_mutex );
return ret;
}
/**********************************************************************************************************************/
const char *
DirectResultString( DirectResult result )
{
DirectResult ret;
DirectResultType *type;
if (result) {
ret = direct_mutex_lock( &result_mutex );
if (ret)
return NULL;
type = direct_hash_lookup( &result_types, D_RESULT_TYPE( result ) );
direct_mutex_unlock( &result_mutex );
if (type) {
unsigned int index = D_RESULT_INDEX( result );
D_MAGIC_ASSERT( type, DirectResultType );
D_ASSERT( type->refs > 0 );
if (index < type->result_count)
return type->result_strings[index];
return type->result_strings[0];
}
return "UNKNOWN RESULT TYPE";
}
return "OK";
}
|
